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55029632 = 27761417
BaseRepresentation
bin1101000111101…
…0111110000000
310211112210110112
43101322332000
5103041422012
65243250452
71235513150
oct321727600
9124483415
1055029632
1129076639
1216519a28
13b529818
147446760
154c70122
hex347af80

55029632 has 32 divisors (see below), whose sum is σ = 125292720. Its totient is φ = 23583744.

The previous prime is 55029607. The next prime is 55029641. The reversal of 55029632 is 23692055.

55029632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29813 + ... + 31604.

Almost surely, 255029632 is an apocalyptic number.

It is an amenable number.

55029632 is an abundant number, since it is smaller than the sum of its proper divisors (70263088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55029632 is an equidigital number, since it uses as much as digits as its factorization.

55029632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61438 (or 61426 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 55029632 is about 7418.1960071166. The cubic root of 55029632 is about 380.3635302312.

The spelling of 55029632 in words is "fifty-five million, twenty-nine thousand, six hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 61417 122834 245668 429919 491336 859838 982672 1719676 1965344 3439352 3930688 6878704 7861376 13757408 27514816 55029632